- High purity alpha cellulose has low ash content; no recycled materials are incorporated and there are no metallic contaminants, particularly iron and copper
- Available in sheet or roll form
NOTE: glass fiber sheets, suitable for high temperature separations are listed under 4750E42
| Grade | Basis
Weight, g/m2 | Thickness,
mm | Flow Rate (mm)/
30 min. (water) |
| 1 | 87 | .16 | 130 |
| 3 | 185 | .38 | 130 |
| 3 MM | 185 | .33 | 130 |
| 4 | 92 | .20 | 180 |